Is the Party Ending for Stocks?

The recent plunge in the major indexes comes amid weakening technicals in many areas of the market.

Although it happened on the 25th anniversary of the Crash of 1987, Friday's 205-point decline in the Dow Jones Industrial Average didn't come close to rivaling the former event's severity or historic impact.

But the technical damage underlying Friday's market drop should not be ignored. Indeed, the Dow 30 had fallen an additional 80 points as of...